Magnetism and electronic structure of binuclear manganese complexes in $\less$i$\greater$ortho$\less$/i$\greater$-quinone ligand and polymer environments

Авторы: Rakhimov R.R., Arrington S.A., Hwang J.S., Prokof’ev A.I., Alexandrov I.A., Aleksandrov A.I.
Журнал: Journal of Applied Physics
Том: 99
Номер: 8
Год издания: 2006
Издательство: AIP Publishing
Местоположение издательства: United States
Первая страница: 08P904
DOI: 10.1063/1.2176324
Аннотация: By means of mechanochemical synthesis we obtained a coordination polymer containing binuclearmanganese complexes with organic catechol/ortho-quinone ligands. The reaction system containedpolystyrene, manganese acetylacetonate, and donor-acceptor mixture catechol/ortho-quinone.Electron paramagnetic resonance EPR and infrared spectroscopic data show that the binuclearmanganese complex is covalently linked to the chain of polystyrene. Theoretical EPR spectrumanalysis revealed a triplet state of the complex with two nonequivalent manganese ions coupled toeach other by spin exchange. The type of magnetic coupling between manganese ions in this systemis similar to the one in manganese based inorganic magnetic materials.
Добавил в систему: Александров Алексей Иванович

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